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3 years ago

What is the perimeter of the triangle in simplest fo

Mathematics

1 answer:

USPshnik [31]3 years ago

4 0

Answer:

3 + 9 $\sqrt{5}$

Step-by-step explanation:

primeter = a + b + c

primeter = $\sqrt{20}$ + 3 + $\sqrt{20}$ + 3 + $\sqrt{5}$

primeter = 3 + 9 $\sqrt{5}$

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max2010maxim [7]

Answer:

Step-by-step explanation:

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3 years ago

The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00. Assu

m_a_m_a [10]

Answer: 0.0170

Step-by-step explanation:

Given : The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00.

i.e. $\mu=23.50$

$\sigma=5$

We assume the distribution of amounts purchased follows the normal distribution.

Sample size : n=50

Let $\overline{x}$ be the sample mean.

Formula : $z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

Then, the probability that the sample mean is at least $25.00 will be :-

$P(\overline{x}\geq\25.00)=P(\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\geq\dfrac{25-23.50}{\dfrac{5}{\sqrt{50}}})\\\\=P(z\geq2.12)\\\\=1-P(z$

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3 years ago

50 POINTS!!

Andre45 [30]

Answer:Triangle A: 38 degrees

Triangle B: Unknown (not enough information)

Triangle C: Unknown (not enough information)

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Step-by-step explanation:

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Viefleur [7K]

Take a common point ( C in this case)
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astraxan [27]

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3 years ago

What is the perimeter of the triangle in simplest fo​

What is the perimeter of the triangle in simplest fo